Grammar: Past Perfect Simple (By Mark Roberts)

0:15 -- Had + Past Participle
0:44 -- Completed Action Before Another Past Action
0:58 -- Past Simple: This morning I woke up
1:12 -- Past Perfect -- … and it had rained.
1:24 -- When we arrived, the film had started.
1:37 -- Explain / Give a Reason: About the Past
1:47 -- I wasn’t hungry because I had eaten dinner.
1:55 -- The bus didn’t arrive because it had snowed.